268713138 has 8 divisors (see below), whose sum is σ = 537426288. Its totient is φ = 89571044.

The previous prime is 268713121. The next prime is 268713191. The reversal of 268713138 is 831317862.

It is a sphenic number, since it is the product of 3 distinct primes.

268713138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 268713096 and 268713105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22392756 + ... + 22392767.

It is an arithmetic number, because the mean of its divisors is an integer number (67178286).

Almost surely, 2^268713138 is an apocalyptic number.

268713138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268713138 is a wasteful number, since it uses less digits than its factorization.

268713138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44785528.

The product of its digits is 48384, while the sum is 39.

The square root of 268713138 is about 16392.4719917406. The cubic root of 268713138 is about 645.3019342344.

The spelling of 268713138 in words is "two hundred sixty-eight million, seven hundred thirteen thousand, one hundred thirty-eight".